39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
import sys
|
|
from scapy.all import sniff, send, IP, IPv6, Packet, Raw, Ether, sendp
|
|
from datetime import datetime
|
|
|
|
|
|
def modify_packet(packet: Packet):
|
|
global modifications
|
|
global seen
|
|
if packet.haslayer(IP):
|
|
if packet[IP].ttl != 65:
|
|
packet[IP].ttl = 65
|
|
modifications += 1
|
|
elif packet.haslayer(IPv6):
|
|
if packet[IPv6].ttl != 65:
|
|
packet[IPv6].ttl = 65
|
|
modifications += 1
|
|
seen += 1
|
|
#Can be extented with other protocols which have TTL
|
|
sendp(packet, iface=sys.argv[1])
|
|
|
|
|
|
if __name__ == "__main__":
|
|
modifications = 0
|
|
seen = 0
|
|
if len(sys.argv) != 2:
|
|
print(f"Usage: {sys.argv[0]} <interface>")
|
|
sys.exit(1)
|
|
|
|
interface = sys.argv[1]
|
|
|
|
start_time = datetime.now()
|
|
print(f"Script started at: {start_time.strftime('%Y-%m-%d %H:%M:%S')}")
|
|
|
|
packets = sniff(filter="ip or ip6", iface=interface, timeout=2.5*1, prn=modify_packet)
|
|
|
|
end_time = datetime.now()
|
|
print(f"Script ended at: {end_time.strftime('%Y-%m-%d %H:%M:%S')}")
|
|
print(f"{modifications} ip(v6) packets modified")
|
|
print(f"{seen} total ip(v6) packets seen") |